/* 样式清空重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

b,
i,
em {
    font-style: normal;
}

/* 共同宽度 */
.container {
    width: 1240px;
    margin-left: auto;
    margin-right: auto;
}

/* 清除浮动 */
.clearfloat {
    zoom: 1;
    /* 触发IE6/7兼容 */
}

.clearfloat::after {
    display: block;
    height: 0;
    content: "";
    visibility: hidden;
    /* overflow: hidden; */
    clear: both;
}

.clearfix::after,
.clearfix::before {
    display: table;
    content: "";
}

.clearfix::after {
    clear: both;
}

ul {
    list-style: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

img {
    border: none;
    vertical-align: top;
}

a {
    text-decoration: none;
}

input,
select,
textarea {
    outline: none;
}

textarea {
    resize: none;
}